Casio WS220-1AVWith solar power, 100 meter water resistance and 120-lap memory, the WS220 from Casio is a useful tool for tracking your workouts. Its easy-to-read wide face design provides at-a-glance information when you’re on the go and with dual countdown timers, you can split up your “go” time for interval training. Black resin band digital watch with a neutral faceTough Solar Power100M Water ResistantLED Light with Afterglow4 Daily alarms and 1 Snooze AlarmHourly time signalWorld Time31 times zones (48 cities + UTC), city code display, daylight saving on/off1/100 second stopwatchMeasuring capacity: 99:59’59.99”Measuring modes: Elapsed time, lap time, split timeMemory capacity: Up to 121 records (used by lap/split time records and log title screens) Others: Lap number (from 001 to 999); Best lap time screen2 Countdown Timers (can be used for interval training that alternates between two different paces)Measuring unit: 1 secondCountdown input range: 5 seconds to 99 minutes 55 seconds (5-second increments and 1-minute increments)Other: Auto-repeat Function (Timer-to-timer, 10 repeats)Full auto-calendar (pre-programmed until the year 2099)12/24 hour formatsButton operation tone on/offAccuracy: +/- 30 seconds per monthBattery level indicatorPower saving functionStorage battery: Solar rechargeable batteryApprox. battery life: 11 months on full charge (without further exposure to light)Module: 3271NEW – no boxSize of case/total weight WS220 51.7 x 49.8 x 14.6mm / 46g This ships from a pet and smoke free home. I will combine shippingwhen possible. Please email me with anyquestions and bid with confidence as I have a feedback score of 100% from over 1388comments! Thank you for looking.USA Retail MSRP of $49.95The printable manual is available on casio.com. No box, ships in bubble wrap 1st class mail.